Agriculture

Items

• hydraulic conductivity

  An expression of the readiness with which a liquid, such as water, flows through a solid, such as soil, in response to a given potential gradient.
• improved pasture

  means grazing lands that are not in crop rotation and are planted primarily to introduce domesticated native forage species that receive periodic renovation and/or cultural treatments such as tillage, fertilization, mowing, and weed control.
• infiltration

  The downward entry of water into the soil.
• insecticide

  A chemical that kills insects.
• Jacobin cuckoo

  The Jacobin cuckoo is a slim black and white bird with a distinctive crest. The white wing patch on the black wing and the pattern make it unmistakable even in flight.
• joining

  To connect or link together.
• juxta-positioning

  Juxtaposition is placing two opposing elements close together or side by side to compare or contrast them.
• lactation period

  Lactation describes the secretion of milk from the mammary glands and the period of time that a mother lactates to feed her young. The process naturally occurs with all sexually mature female mammals, although it may predate mammals.
• lamb

  A young sheep.
• lamb cradle

  A small low bed for an infant, often furnished with rockers.
• layering

  A method of propagating a plant in which a shoot is fastened down to form roots while still attached to the parent plant.
• leaching

  The removal of soluble constituents by percolating water.
• leaf sheaths

  The basal part of a grass leaf that encircles the stem.
• legume

  A pod-bearing member of the leguminousae family, one of the most important and widely distributed plant families. Includes many valuable food and forage species such as peas, beans, peanuts, clovers, alfalfas, sweet clovers, lespedezas, vetches and kudzu
• lime

  In strict chemical terms, calcium oxide. In practical terms, a material containing the carbonates, oxides, and/or hydroxides of calcium and/or magnesium used to neutralize soil acidity.
• macronutrient

  Macronutrients are nutrients that are required in large quantities to provide the energy necessary to perform physiological functions.
• maiden

  Plant or animal that has not produced or reproduced yet.
• mare

  The adult female of a horse or other equine animal.
• marking

  Means a mark or marks made, a pattern of marks or colorations, or an evaluation of performance.
• mass flow

  Movement of nutrients with the flow of water to the plant roots.
• mastitis-

  Inflammation of the mammary gland in the breast or udder, typically due to bacterial infection via a damaged nipple or teat.
• micronutrient

  Micronutrients are nutrients that are required by the body in lesser amounts for its growth and development.
• milk replacer

  Liquid nutrition having greater nutritional qualities comparable to mother's milk that is given to young animals when mother's milk is not available.
• mineralization

  The process where organic substances are broken down into inorganic minerals.
• minimum tillage

  A collective term for soil cultivation systems in which the number of tillage operations during the preplant period is reduced to a minimum. Syn. reduced tillage. Cf. tillage systems.